Fig. 3 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

Fig. 3. Details of the lithological succession of the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen (for complete section see Fig. 53 and Kröger et al. 2017: fig. 9). A. Lower part of the Olenidsletta Member with sample horizons PO3.7–7.5. B. Middle part of the Olenidsletta Member with sample horizons PO 123–123.5, PO 131. Mbr. = Member, Trilobite biozones after Kröger et al. (2017). Fossil symbols denote abundant (1× per bed) or very abundant (2× per bed) occurrences.